Related primarily to age, the ____ heart rate starts to drop by about one beat per year beginning at about age 12.
A. submaximal
B. normal
C. minimal
D. physical
E. maximal
Answer: E
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A hiker experiences muscle pain and acidosis as he or she ascends a mountain during a long, steep climb. What is the reason for these symptoms?
1. Cellular hypoxia 2. Autolysis 3. Heterolysis 4. Cellular edema
All of the following occur in the legs EXCEPT ________
A) varicose veins B) intermittent claudication C) jugular venous distention D) phlebitis
The combining form leuk/o-, as seen in the word leukemia, means ________
A) blood B) connection C) infection D) white
Muscle glycogen breakdown is under dual control by both
A. catecholamines and thyroid hormone. B. catecholamines (e.g., epinephrine) and Ca++/calmodulin. C. thyroid hormone and calmodulin. D. none of these answers are correct.